Home / 3,551.13-4,900.87-2,135.05

Finding the Fourth Proportional to 3,551.13, 4,900.87 and 2,135.05

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Solution

The fourth proportional to 3,551.13, 4,900.87 and 2,135.05 is: 2,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.13 : 4,900.87 = 2,135.05 : x
  2. Step 2: Convert to fraction form
    3,551.13/4,900.87 = 2,135.05/x
  3. Step 3: Cross multiply
    3,551.13x = 4,900.87 × 2,135.05
  4. Step 4: Simplify right side
    3,551.13x = 10,463,602.49
  5. Step 5: Solve for x
    x = 10,463,602.49/3,551.13
  6. Step 6: Final answer
    x = 2,946.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.